Article ID Journal Published Year Pages File Type
4669524 Bulletin des Sciences Mathématiques 2007 7 Pages PDF
Abstract

Let σ be a nontrivial automorphism of a compact connected Riemann surface X of genus at least two. Assume that σ fixes each of the theta characteristics of X. We prove that X is hyperelliptic, and σ is the unique hyperelliptic involution of X.

Related Topics
Physical Sciences and Engineering Mathematics Mathematics (General)